Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 1

Waning Gibbous 74%

20:43

11:38

11 Good
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:12, Set: 19:48, Transit: 12:59. Moon - Rise: 20:43, Set: 11:38. Civil Dark: 20:24 - 05:36. Nautical Dark: 21:09 - 04:52. Astro Dark: 21:59 - 04:03

Total Clouds (% Sky Obscured)

5
15
30
43
62
100
100
100
100
100
100
99
98
87
65
47
62
95
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

5
15
30
43
29
0
40
48
32
52
16
15
0
1
1
1
8
22
34
62
38
40
59
51

Medium Clouds (% Sky Obscured)

4
4
16
21
17
20
20
20
100
98
100
99
98
87
65
47
22
18
18
20
63
100
29
69

High Clouds (% Sky Obscured)

5
15
20
43
13
100
100
100
100
100
97
68
29
0
0
0
0
85
100
92
100
100
98
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
2
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
12
12
13
13
11
7
7
6
6
6
7
8
7
7
7
7
7
7
7
8
9
9

Chance of Frost

Temperature (°C)

20
22
22
22
21
21
21
21
20
18
17
16
16
16
15
15
14
14
13
13
14
15
16
17

Feels Like (°C)

18
19
20
19
19
19
18
19
18
16
16
15
14
13
13
13
12
13
11
12
12
13
14
16

Dew Point (°C)

10
11
10
9
8
7
8
9
10
9
9
10
10
10
10
10
11
11
11
11
11
11
11
11

Relative Humidity (%)

52
49
46
44
42
41
41
46
54
56
60
67
67
67
72
75
79
83
84
86
82
75
70
64

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

319
321
319
318
319
319
321
320
319
320
321
325
325
326
324
322
319
316
313
311
312
312
310
309

Wednesday 2

Waning Gibbous 63%

21:04

13:07

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:14, Set: 19:46, Transit: 12:59. Moon - Rise: 21:04, Set: 13:07. Civil Dark: 20:22 - 05:38. Nautical Dark: 21:06 - 04:54. Astro Dark: 21:55 - 04:05

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
98
99
86
62
64
76
67
100
99
97
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
83
78
60
43
98
94
80
77
56
56
76
60
55
44
37
51
59
60
55
71
82
25
30

Medium Clouds (% Sky Obscured)

100
100
98
99
99
100
95
4
2
2
3
0
0
6
9
6
5
3
19
24
17
22
65
78

High Clouds (% Sky Obscured)

100
57
55
100
100
98
46
83
39
29
30
25
21
100
98
86
96
100
100
100
100
100
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
6
16
7
14
43
55
7
3
8
0
2
2
4
1
0
0
0
0
0
7
12
5
3

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
13
12
11
12
11
12
12
12
11
12
11
11
11
12
12
12
11
12
13
13
13
14
15

Chance of Frost

Temperature (°C)

19
19
19
19
19
19
18
17
17
17
17
17
17
17
17
17
17
17
17
17
18
18
19
19

Feels Like (°C)

16
15
17
17
17
16
15
14
15
15
14
15
15
15
15
14
15
14
15
15
16
16
17
16

Dew Point (°C)

11
11
15
15
15
12
11
11
11
12
13
14
14
15
15
15
15
15
15
15
15
16
15
12

Relative Humidity (%)

59
61
78
78
76
64
64
66
68
73
77
82
83
86
89
90
90
89
88
86
83
86
78
63

Pressure (mb)

1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

307
303
300
301
299
298
299
300
299
300
298
298
299
300
300
299
298
297
297
297
297
297
298
298

Thursday 3

Waning Gibbous 51%

21:34

14:35

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:16, Set: 19:43, Transit: 12:59. Moon - Rise: 21:34, Set: 14:35. Civil Dark: 20:19 - 05:40. Nautical Dark: 21:03 - 04:56. Astro Dark: 21:52 - 04:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
99
99
96
99
87
99
94
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
17
16
0
14
5
28
26
42
46
23
56
64
32
43
88
66
67
45
72
66
63
63
67

Medium Clouds (% Sky Obscured)

64
14
10
14
10
9
10
97
18
10
9
4
4
12
100
64
26
98
100
99
100
100
100
100

High Clouds (% Sky Obscured)

100
53
100
100
100
95
89
96
85
39
25
25
57
78
55
57
62
100
100
100
96
92
89
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
1
0
0
0
0
0
0
0
0
1
4
3
3
4
2
7
35
51
53
33
30
27
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

16
15
15
15
15
14
14
13
11
9
8
9
13
14
16
18
19
20
20
19
17
17
17
17

Chance of Frost

Temperature (°C)

20
20
21
21
21
21
21
21
20
19
19
18
18
18
19
19
20
20
20
20
20
20
20
20

Feels Like (°C)

16
16
16
17
17
17
17
18
17
17
16
16
15
15
16
15
16
16
16
18
17
18
18
17

Dew Point (°C)

11
11
10
9
9
9
8
9
9
10
10
12
12
13
14
16
15
16
16
18
16
16
15
15

Relative Humidity (%)

57
54
49
45
44
43
42
44
49
54
57
64
66
70
75
82
76
75
76
85
79
79
70
69

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1014
1013
1013
1011
1011
1010
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

297
297
296
296
295
294
295
294
294
294
293
292
293
293
291
290
290
290
290
290
292
294
296
296

Friday 4

Third Quarter 39%

22:20

15:57

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:17, Set: 19:41, Transit: 12:58. Moon - Rise: 22:20, Set: 15:57. Civil Dark: 20:17 - 05:42. Nautical Dark: 21:01 - 04:58. Astro Dark: 21:49 - 04:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
84
50
32
32
32
29
21
11
0
0
0
39
57
78
100
92

Low Clouds (% Sky Obscured)

68
47
55
35
28
36
46
51
37
19
3
12
21
29
19
10
0
0
0
0
0
0
0
13

Medium Clouds (% Sky Obscured)

100
100
100
100
100
20
15
13
14
13
9
5
1
0
0
5
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
84
12
0
0
2
0
2
2
0
0
0
39
57
78
100
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

67
71
64
50
11
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
15
16
17
18
17
16
15
14
13
12
11
11
11
11
10
10
10
9
9
10
12
13

Chance of Frost

Temperature (°C)

20
20
20
20
20
19
19
18
18
17
16
15
14
14
13
13
12
11
11
11
11
12
14
15

Feels Like (°C)

17
17
17
16
15
15
14
14
13
12
13
12
12
11
11
10
10
9
9
9
7
8
10
11

Dew Point (°C)

15
15
12
11
7
7
7
7
8
8
8
7
7
7
7
8
7
7
8
8
8
8
8
9

Relative Humidity (%)

72
75
61
56
44
44
44
47
53
58
60
61
63
62
66
71
73
76
79
81
83
76
69
64

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1012
1012
1013
1014
1015
1016
1016
1017
1017
1018
1019
1020
1020
1021
1022
1023
1023

Ozone (du)

298
300
303
305
309
314
321
328
334
337
342
344
344
344
346
345
337
331
328
325
323
320
317
314

Saturday 5

Waning Crescent 28%

23:26

17:02

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK

Sun - Rise: 06:19, Set: 19:39, Transit: 12:58. Moon - Rise: 23:26, Set: 17:02. Civil Dark: 20:14 - 05:44. Nautical Dark: 20:58 - 05:00. Astro Dark: 21:46 - 04:13

Total Clouds (% Sky Obscured)

73
75
75
77
66
41
70
78
77
80
79
78
75
73
67
65
59
60
61
64
58
51
34
39

Low Clouds (% Sky Obscured)

42
62
50
44
31
19
19
14
11
9
7
5
2
0
0
0
0
2
4
6
5
3
0
2

Medium Clouds (% Sky Obscured)

0
0
1
2
3
2
4
2
3
3
3
6
7
20
22
16
12
15
16
16
15
12
11
13

High Clouds (% Sky Obscured)

34
8
11
13
18
17
37
39
30
29
24
23
21
20
27
34
38
26
20
14
22
4
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
12
11
10
11
10
8
7
4
3
4
4
5
5
5
5
5
5
5
6
7
8
10

Chance of Frost

Temperature (°C)

17
18
18
19
19
20
19
19
18
17
16
15
14
14
13
13
13
12
12
12
12
14
15
17

Feels Like (°C)

13
14
15
15
16
16
16
15
14
14
13
13
12
12
11
12
11
11
11
11
10
11
13
13

Dew Point (°C)

8
7
9
9
7
6
6
6
7
8
9
9
9
9
9
9
9
9
9
9
9
8
8
8

Relative Humidity (%)

56
50
52
52
44
39
40
43
50
57
62
67
69
71
75
76
79
80
80
79
79
70
62
55

Pressure (mb)

1024
1024
1025
1025
1024
1024
1024
1025
1025
1025
1026
1026
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

312
308
307
306
306
307
307
306
306
304
303
303
303
302
301
299
297
295
294
293
291
292
292
292

Sunday 6

Waning Crescent 18%

00:49

17:47

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:21, Set: 19:36, Transit: 12:58. Moon - Rise: 00:49, Set: 17:47. Civil Dark: 20:12 - 05:46. Nautical Dark: 20:55 - 05:02. Astro Dark: 21:43 - 04:15

Total Clouds (% Sky Obscured)

48
55
72
86
100
99
99
98
99
99
100
99
98
97
94
89
75
60
48
44
49
68
76
76

Low Clouds (% Sky Obscured)

5
7
5
2
0
5
10
8
7
9
12
14
20
32
32
32
29
36
24
27
18
12
6
10

Medium Clouds (% Sky Obscured)

13
16
38
60
81
67
52
37
58
79
100
99
98
97
79
61
43
37
33
22
14
9
5
5

High Clouds (% Sky Obscured)

2
2
29
56
85
88
93
98
99
99
100
76
52
27
18
13
0
18
27
35
49
56
73
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
16
30
46
63
68
63
59
42
29
17
11
6
8
7
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
13
13
13
14
12
10
9
9
10
11
11
10
11
10
10
10
9
9
8
9
10
11

Chance of Frost

Temperature (°C)

18
20
21
23
23
24
23
22
22
21
20
19
19
18
18
17
17
17
16
16
16
17
18
18

Feels Like (°C)

13
15
16
22
22
22
21
20
20
18
18
18
18
18
17
15
15
15
15
15
15
14
13
13

Dew Point (°C)

8
8
8
8
9
9
9
9
10
10
11
11
10
9
8
8
8
8
8
9
10
10
11
12

Relative Humidity (%)

50
45
41
40
39
38
40
43
46
51
56
61
58
56
53
53
54
55
58
61
64
64
64
65

Pressure (mb)

1023
1022
1021
1021
1020
1019
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1015
1015

Ozone (du)

292
291
291
291
291
290
290
291
291
291
292
292
294
295
297
300
303
307
306
304
303
304
304
304

Monday 7

Waning Crescent 10%

02:21

18:18

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:23, Set: 19:34, Transit: 12:57. Moon - Rise: 02:21, Set: 18:18. Civil Dark: 20:09 - 05:47. Nautical Dark: 20:53 - 05:04. Astro Dark: 21:40 - 04:18

Total Clouds (% Sky Obscured)

75
72
86
93
100
89
77
63
65
70
75
85
92
100
80
59
39
59
80
100

Low Clouds (% Sky Obscured)

13
17
28
40
44
31
19
9
12
16
25
19
12
6
17
28
39
42
41
19

Medium Clouds (% Sky Obscured)

4
4
9
14
18
38
58
63
52
27
2
5
9
20
26
27
23
42
61
77

High Clouds (% Sky Obscured)

61
56
72
89
100
69
38
4
13
23
34
23
11
0
0
0
0
33
67
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
31
66
79
71
50
4
2
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
14
14
15
14
13
12
12
11
11
10
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

19
20
21
21
21
22
21
20
19
18
17
16
15
15
14
13
13
12
12
12

Feels Like (°C)

14
14
15
20
20
19
19
18
19
15
16
16
16
15
14
11
11
10
10
10

Dew Point (°C)

12
11
11
12
12
12
12
12
12
12
12
12
12
11
11
10
10
9
9
9

Relative Humidity (%)

60
57
53
54
55
55
58
59
62
67
72
78
79
80
82
83
83
84
84
83

Pressure (mb)

1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

304
304
303
303
303
303
302
301
300
299
298
297
296
294
293
291
290
289
288
287

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 01/09/26 11:17:50. Forecast: 01/09/26 to 07/09/26. Timezone: UTC+1.00